20969604

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1138

約数の個数: 60

約数和(自身を含む): 55769868

約数和(自身を除く): 34800264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1061, 1098, 1647, 2122, 2196, 3183, 3294, 4244, 4941, 6366, 6588, 9549, 9882, 12732, 19098, 19764, 28647, 38196, 57294, 64721, 85941, 114588, 129442, 171882, 194163, 258884, 343764, 388326, 582489, 776652, 1164978, 1747467, 2329956, 3494934, 5242401, 6989868, 10484802, 20969604]

約数ペア:

[(1, 20969604), (2, 10484802), (3, 6989868), (4, 5242401), (6, 3494934), (9, 2329956), (12, 1747467), (18, 1164978), (27, 776652), (36, 582489), (54, 388326), (61, 343764), (81, 258884), (108, 194163), (122, 171882), (162, 129442), (183, 114588), (244, 85941), (324, 64721), (366, 57294), (549, 38196), (732, 28647), (1061, 19764), (1098, 19098), (1647, 12732), (2122, 9882), (2196, 9549), (3183, 6588), (3294, 6366), (4244, 4941)]